How did the isolation of the americas shape the history of Native American culture

Since they were isolated, they did not have as advanced technologies as the rest of the world (Europe, Asia). That being said, they learned how to use their land resourcefully, inventing their own farming techniques.  Their trade was not as advanced as the other cultures.

You may have to add on to this, as I took world history sophomore year.

Explanation:

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.